test/setjmp/sigjmpbug.c

   1 /* sigsetjmp vs alloca test case.  Exercised bug on sparc.  */
   2
   3 #include <stdio.h>
   4 #include <setjmp.h>
   5 #include <alloca.h>
   6
   7 int ret;
   8 int verbose;
   9
  10 __attribute__ ((__noreturn__))
  11 static void
  12 sub5 (jmp_buf buf)
  13 {
  14   siglongjmp (buf, 1);
  15 }
  16
  17 static void
  18 test (int x)
  19 {
  20   sigjmp_buf buf;
  21   char *foo;
  22   int arr[100];
  23
  24   ++ret;
  25
  26   arr[77] = x;
  27   if (sigsetjmp (buf, 1))
  28     {
  29       --ret;
  30       if (verbose)
  31         printf ("made it ok; %d\n", arr[77]);
  32       return;
  33     }
  34
  35   foo = (char *) alloca (128);
  36   sub5 (buf);
  37 }
  38
  39 int
  40 main (int argc, char *argv[])
  41 {
  42   int i;
  43
  44   verbose = (argc != 1);
  45   ret = 0;
  46
  47   for (i = 123; i < 345; ++i)
  48     test (i);
  49
  50   return ret;
  51 }